Medical Guidelines in Becoming a Donor You must be between the ages of 18 - 60 You CANNOT register for the Marrow Program if you have: Hepatitis B, Hepatitis C positive and/or at risk HIV positive and/or at risk Cancer Heart Disease Experienced a heart attack, angioplasty, coronary stent placement, pacemaker placement, open heart surgery, or stroke Experienced a seizure within the last year Had back surgery within the past 5 years You also cannot have any of the following diseases: Psoriasis, Chronic Lung Disease, Polycystic Kidney Disease, Sjogrens Sydrome, Rheumatoid Arthritis, Ankylosing Spondylitis, Chronic Severe Asthma on Prednisone (steroid) medication, Multiple Sclerosis, Systemic Lupus Erythematosis, Juvenile Type 1 Insulin Dependent Diabetes Mellitus, Ulcerative Colitis, or Crohn's disease, Significant Obesity, received an organ or marrow transplant. You CAN register for the marrow program if: You are between the ages of 18 and 60 years old You are pregnant You had a recent tattoo You had a body piercing done recently You are on antibiotics temporarily Thyroid (over or under active- medication – Synthroid accepted) If you have already donated in the past, you are part of the registry, and therefore you do not need to donate again.